Most gardeners are pleased to discover earthworms in their gardens because earthworms improve the soil when they
A) consume herbivorous grazers that would otherwise damage the garden plants.
B) improve soil aeration by burrowing from the surface into deeper soil layers.
C) die after mating and enrich the soil as their bodies decay.
D) burrow the pathways that the roots of garden plants follow to reach deeper nutrient-rich soil layers.
Correct Answer:
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